User Guide

Chapter 2 Product Overview
8 Reference Manual MightyBoard 821
Figure 2-3. Component Locations
Table 2-1. Major Component Descriptions and Functions
Chip Type Mfg. Model Description Function
CPU (U10) Intel Pentium M,
Celeron M
2.0GHz, 1.5GHz CPUs Embedded
CPU
Memory Hub (U7) Intel 915GM Memory and Video functions Memory
and Video
I/O Hub (U3) Intel 82801FB Provides some of the I/O functions (HDD,
Audio, USB, LAN, PCI)
I/O
Functions
Super I/O (U5) Nuvoton W83627HF Provides most of remaining I/O functions
(FDD, COM1/2, KB, MS, LPT, Fan,
IrDA)
I/O
Functions
LPC (I/O) UART
Controller (U13)
FinTech F81216D LPC controller for Serial Ports 3 & 4
(COM 3 & 4)
UART
(I/O)
Controller
Audio '97 CODEC
(U15)
Realtek ALC202A Audio '97 CODEC for audio In/Out
signals
Audio
In/Out
Ethernet
Controllers
(U8, U11)
Intel 82573V Ethernet – These chips provide two
independent 10/100BaseT and 1000BaseT
network channels respectively
Ethernet
Functions
U8
U11
U10
U5
U7
U3
U15
U13